:root {
  /* Brand palette — pulled from the iOS app's UIStyles.swift */
  --brand-green: #37935E;       /* primary brand background */
  --brand-green-dark: #1F4A2E;  /* scoreboard / deep accents */
  --brand-green-button: #58C68B;/* primary button green */
  --bank-yellow: #FFD933;       /* BANK button warm yellow */

  /* Semantic tokens (dark theme) */
  --bg: var(--brand-green-dark);
  --surface: #245735;           /* slightly lifted from dark green */
  --surface-2: #2c6a40;
  --border: rgba(255, 255, 255, 0.12);
  --text: #f4f7f5;
  --text-dim: #c2d4cb;
  --accent: var(--bank-yellow);
  --accent-on: #1F4A2E;         /* text on yellow */
  --link: #FFE36B;
  --radius: 14px;
  --max-width: 980px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", "Helvetica Neue", system-ui, sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Helvetica Neue", system-ui, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f8f5;
    --surface: #ffffff;
    --surface-2: #eaf2ec;
    --border: #d9e3dc;
    --text: #11231a;
    --text-dim: #4e6557;
    --link: #1F4A2E;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--link);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--brand-green);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: #ffffff;
  font-size: 20px;
  letter-spacing: -0.01em;
  font-family: var(--font-display);
}
.brand-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}
.nav a {
  color: rgba(255, 255, 255, 0.82);
  margin-left: 22px;
  font-size: 15px;
  font-weight: 500;
}
.nav a:hover { color: #ffffff; text-decoration: none; }

/* Hero */
.hero {
  padding: 96px 0 72px;
  text-align: center;
  background: linear-gradient(180deg, var(--brand-green) 0%, var(--brand-green-dark) 100%);
  border-bottom: 1px solid var(--border);
}
.hero-logo {
  width: 110px;
  height: 110px;
  margin: 0 auto 28px;
  display: block;
  border-radius: 22px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 60px;
  line-height: 1.02;
  margin: 0 0 18px;
  letter-spacing: -0.025em;
  color: #ffffff;
  font-weight: 800;
}
.hero p.lede {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 620px;
  margin: 0 auto 32px;
}
.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.05s ease, background 0.12s ease;
  font-family: var(--font);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--bank-yellow);
  color: var(--accent-on);
}
.btn-primary:hover { background: #ffe25c; }
.btn-secondary {
  background: var(--brand-green-button);
  color: #ffffff;
  border-color: transparent;
}
.btn-secondary:hover { background: #6cd49b; color: #fff; }

/* Screens carousel */
.screens {
  padding: 64px 0 24px;
  background: linear-gradient(180deg, var(--brand-green-dark) 0%, var(--bg) 100%);
}
.screens-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-align: center;
  margin: 0 0 8px;
}
.screens-sub {
  text-align: center;
  color: var(--text-dim);
  margin: 0 0 28px;
  font-size: 16px;
}
.screens-carousel {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 12px 4px 28px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.25) transparent;
}
.screens-carousel:focus-visible {
  outline: 2px solid var(--bank-yellow);
  outline-offset: 4px;
  border-radius: 8px;
}
.screens-carousel::-webkit-scrollbar { height: 8px; }
.screens-carousel::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.22);
  border-radius: 8px;
}
.screen {
  flex: 0 0 240px;
  margin: 0;
  scroll-snap-align: center;
}
.screen img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 28px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.38);
  border: 1px solid var(--border);
}

@media (prefers-color-scheme: light) {
  .screens { background: var(--bg); }
  .screens-title { color: var(--text); }
}

@media (max-width: 720px) {
  .screens { padding: 48px 0 16px; }
  .screens-title { font-size: 26px; }
  .screen { flex: 0 0 210px; }
}

/* Features */
.features {
  padding: 64px 0 80px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.feature h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
}
.feature p {
  margin: 0;
  color: var(--text-dim);
  font-size: 15px;
}

@media (prefers-color-scheme: light) {
  .feature h3 { color: var(--text); }
}

/* Content pages */
.page {
  padding: 64px 0 96px;
}
.page h1 {
  font-family: var(--font-display);
  font-size: 44px;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
  color: #ffffff;
  font-weight: 800;
}
.page .updated {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 36px;
}
.page h2 {
  font-family: var(--font-display);
  font-size: 24px;
  margin-top: 40px;
  margin-bottom: 10px;
  color: #ffffff;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.page h3 {
  font-size: 18px;
  margin-top: 24px;
  margin-bottom: 8px;
  color: #ffffff;
  font-weight: 700;
}
.page p, .page li {
  color: var(--text);
}
.page strong { color: #ffffff; }
.page ul, .page ol { padding-left: 22px; }
.page li { margin-bottom: 6px; }

@media (prefers-color-scheme: light) {
  .page h1, .page h2, .page h3, .page strong { color: var(--text); }
}

/* Support / contact cards */
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-top: 24px;
}
.contact-card h3 {
  margin: 0 0 6px;
  font-size: 18px;
  color: #ffffff;
}
.contact-card p { margin: 0 0 14px; color: var(--text-dim); font-size: 15px; }
.email-link {
  font-size: 18px;
  font-weight: 700;
  color: var(--bank-yellow);
}

@media (prefers-color-scheme: light) {
  .contact-card h3 { color: var(--text); }
  .email-link { color: var(--brand-green-dark); }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--brand-green);
  padding: 28px 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}
.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.site-footer a { color: rgba(255, 255, 255, 0.78); margin-left: 18px; }
.site-footer a:first-child { margin-left: 0; }
.site-footer a:hover { color: #ffffff; text-decoration: none; }

@media (max-width: 720px) {
  .hero { padding: 64px 0 48px; }
  .hero-logo { width: 88px; height: 88px; margin-bottom: 22px; }
  .hero h1 { font-size: 40px; }
  .hero p.lede { font-size: 17px; }
  .features-grid { grid-template-columns: 1fr; }
  .nav a { margin-left: 14px; font-size: 14px; }
  .page h1 { font-size: 32px; }
  .site-header .container { padding-top: 12px; padding-bottom: 12px; }
  .brand { font-size: 17px; }
  .brand-logo { width: 30px; height: 30px; }
}